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Description
Phenolic Cloth Rod is made of cotton fabric (or linen, canvas) impregnated with phenolic resin, then heated intoprepreg and rolling into the rod shape, finally put into the different diameters molds, under hightemperature and pressure to cure into the rigid laminated rods. Usually for mechanical and electrical applications.
NEMA C Phenolic Rods are made from coarse fabric reinforced with phenolic resin, offering an excellent balance of mechanical strength. They perform reliably in temperatures from -40°C to 120°C, with low moisture absorption and high dimensional stability. These rods are durable, wear-resistant, and ideal for applications requiring structural strength.
GOST Standard: 3721, 3722, 3723, 3724, 3725
IEC Standard: PFCC41, PFCC42, PFCC43
NEMA Standard: C, CE, L, LE
3722, 3723, 3724, 3725: Similar to NEMA Grade C, CE, L and LE Respectively. 3725 allows fine processing
PFCC41, PFCC42 and PFCC43: PFCC41(fine cloth), PFCC42 (Coarse cloth) and PFCC43 (Extra coarse cloth)
Features
High mechanical strength and load-bearing capacity
Excellent electrical insulation with superior dielectric properties
Wide operating temperature range: -40°C to 120°C
Low moisture absorption and high dimensional stability
Resistance to chemicals, wear, and abrasion
Versatile and machinable for custom applications
Applications
Structural components in machinery and equipment
Electrical insulation rods, spacers, and bushings
Aerospace and automotive parts requiring mechanical strength and electrical safety
Industrial manufacturing components exposed to heat, moisture, or chemicals
Custom machined parts where durability and insulation are essential
| Phenolic Cotton Cloth Laminated Rods | ||||||||
| Standard | Range | IEC | PFCC41 | PFCC42 | PFCC43 | - | - | - |
| NEMA | NEMA | LE | L | CE | C | |||
| GOST | GB | 3725 | 3724 | 3723 | 3722 | 3721B | 3721 | |
| Physical Properties | ||||||||
| Density | - | g/cm3 | 1.20-1.40 | 1.20-1.40 | 1.25-1.45 | 1.25-1.45 | 1.25-1.45 | 1.25-1.45 |
| Water absorption rate | ≤ | mg/cm2 | 1.1% | 1.5% | 1.3% | 2% | 2% | 1% |
| Mechanical Properties | ||||||||
| Bending strength (Flextual strength)⊥ | ≥ | MPa | 125 | 95 | 90 | 110 | 80 | 110 |
| Compression strength | ≥ | MPa | 90 | 80 | 135 | 130 | - | - |
| Tensile Strength | ≥ | MPa | - | - | - | - | 60 | 79 |
| Electrical Properties | ||||||||
| Breakdown voltage ⊥in oil, 20±2℃ | ≥ | kV | 5 | 5 | 10 | - | 8 | 10 |
| Insulation resistance after 24h water immersion | ≥ | MΩ | 5 | 1 | 0.1 | - | 1x10^7Ω | 1x10^8Ω |
| Thermal Properties | ||||||||
| Temperature Index | - | ℃ | 120 | 120 | 120 | 120 | 120 | 120 |
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